Science Fall has officially arrived. Here’s what to know about the autumnal equinox tio September 23, 2026 At 8:05 p.m. Eastern time Tuesday, the sun will be directly overhead at the equator.
Science Starwatch: Autumnal equinox in northern hemisphere, spring in the south tio September 21, 2026 Precise moment of equinox in UK is 1.05am on Wednesday – but day and night will not be equal until FridayThe September or autumnal equinox…